The dominant safety concern at Great Sand Dunes isn't the weather — it's the surrounding county's violent crime rate, which sits at 493.9 incidents per 100,000 residents in 2023, nearly double the national average. While the park itself draws a family crowd, Saguache County's elevated figures mean travelers passing through or camping near less-patrolled areas should stay alert, particularly after dark.
Choose developed, staffed campgrounds over dispersed or roadside spots, and keep valuables — including extra fuel, food, and electronics — locked inside your vehicle or a hardside storage box rather than left visible at your site. When driving to and from the park, avoid stopping at unmarked pullouts after sunset, and keep your phone charged with the park's ranger station number saved: (719) 378-6395.
Top recorded hazards in Saguache County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Hail 1
- Tornado 1
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About Great Sand Dunes National Park & Preserve
The tallest dunes in North America are the centerpiece in a diverse landscape of grasslands, wetlands, forests, alpine lakes, and tundra. Stay on a moonless night to experience countless stars in this International Dark Sky Park! Open 24 hours a day, 7 days a week year-round. There are no timed entries or reservations to visit.
Weather
Temperatures are relatively cool all year at the park elevation 8000 ft. Conditions are most often calm, but winds can arise, especially in spring and during storm fronts. Daytime temperatures feel warmer here year round due to intense high-altitude sunlight, and mid-day summer sand surface temps can be 160 degrees F! Plan to explore the dunes morning or evening during summer. Nights are cool in summer, and frigid in winter. Visit https://nps.gov/grsa/planyourvisit/weather.htm for details